BUMA

Board of Directors

Ronald Sutardja

President Director

Mr. Ronald Sutardja has served as President Director of BUMA since March 2014 following his prior position as Vice President Director from June 2012. Since 2010, he has been professionally associated with Northstar, in the role of Head of Field Operations. During such time, he held a Director position at PT Trikomsel Oke Tbk. Previously, he worked at Infineum Singapore Pte. Ltd., and Michelin Malaysia and Singapore. He started his professional career as a consultant at Booz, Allen & Hamilton. He holds Bachelor Degree in Mechanical Engineering from University of California at Berkeley, USA, Master of Science from Massachusetts Institute of Technology, USA, and Master of Manufacturing Management from Northwestern University - Kellogg Graduate School of Management, USA.

Una Lindasari

Director

Ms. Una Lindasari was appointed as BUMA’s Director of Finance in August 2014. She has more than 31 years’ experience at senior management positions in the Finance area throughout various companies. She started her professional career as an Auditor at Arthur Andersen Indonesia. Prior to joining BUMA, she was a Finance Controller at BP Indonesia (1999 – 2008), and the Chief Financial Officer at Noble Group Indonesia (2008 – 2014). She obtained a Bachelor’s Degree in Accounting from University of Indonesia and later obtained her Master of Management and Master of Business Administration double-degree from IPMI-Monash University.

Sorimuda Pulungan

Director

Mr. Sorimuda Pulungan joined BUMA in January 2012, and currently serves as Director of Business Units, Operations and Engineering. He has 23 years’ experience in mining industry. He worked at PT Aurora Gold (1994-2002), and prior to joining BUMA, he spent nine years with PT International Nickel Company (PT INCO), with his last position as General Manager at Mining Technology Division. He graduated from Bandung Institute of Technology with a degree in Mining Technology, and obtained a Master’s Degree in Financial Management from Hasanuddin University, South Sulawesi, Indonesia.

Indra Kanoena

Director

Mr. Indra Kanoena joined BUMA in January 2013, and currently serves as Director of Human Resources, General Affairs, and Plant Maintenance. He has more than 20 years experiences in various positions on organization and human resources management, government and community relation, and heavy equipment maintenance management. He worked at PT International Nickel Indonesia (PT INCO) Tbk. (1997-2007) and PT Freeport Indonesia (2007-2012) with last position as Vice President of Human Resources. Prior to joining BUMA, he worked at PT HM Sampoerna Tbk. as Head of Organization and Management Strategy. He obtained a Bachelor’s Degree of Science in Industrial Engineering from Indonesia Institute of Technology and Master’s Degree in Strategic Management from Binus Business School – Bina Nusantara University, Jakarta.

Jason Thompson

Director

Mr. Jason Thompson was appointed as Director of Business Development at BUMA in August 2014. He has more than 25 years of experiences in mining industry in Australia, South America and Indonesia with mine owners such as Mt. Isa Mines Ltd. and Minera Alumbrera Ltd. (now Glencore) as well as mining contractor Thiess. Prior to joining BUMA, he worked for PT Leighton Contractors Indonesia since 2008 with latest position as Mining Development Manager. He holds a Bachelor’s Degree in Mining Engineering from Sydney University, Australia and a Master’s Degree in Business Administration from Queensland University, Australia.